横向
1
Largest river in South America
5
Height above sea level
8
Large slow-moving mass of ice
10
Large natural elevation of earth
纵向
2
Where river meets the sea
3
Imaginary line around the middle of Earth
4
Cold treeless Arctic plain
6
Large body of water partly enclosed by land
7
Land surrounded by water on three sides
9
Distance east or west of prime meridian